OSCOLA - square brackets while citing a range of paragraphs

I am currently working with a PhD student who would like to cite case law exactly the way required by the Oscola, and it can be problematic.
For example, if you want to cite a range of paragraphs, according to this document (https://www.law.ox.ac.uk/sites/files/oxlaw/oscola_2006_citing_international_law.pdf), you should cite it this way [139]–[142], and not [139-142] (page 29).
I do not think it is possible to modify the style to get it the first way, but maybe I am wrong. First, there is only one field to enter a paragraph number in the "classic view" window of the Zotero Word toolbar. I do not see where I could enter a "start paragraph" and then an "end paragraph". And I do not see how to implement this in the style either.
Does CSL allow this?
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